Dynamic control of quantum geometric heat flux in a nonequilibrium spin-boson model

Abstract

We study the quantum geometric heat flux in the nonequilibrium spin-boson model. By adopting the noninteracting-blip approximation that is able to accommodate the strong system-bath coupling, we show that there exists a nonzero geometric heat flux only when the two-level system is nondegenerate. Moreover, the pumping, no pumping, and dynamic control of geometric heat flux are discussed in detail, compared to the results with Redfield weak-coupling approximation. In particular, the geometric energy transfer induced by modulation of two system-bath couplings is identified, which is exclusive to quantum transport in the strong system-bath coupling regime.

5 pages, 4 figures. with updated figures and discussions. See also http://link.aps.org/doi/10.1103/PhysRevB.87.144303

References in corpus (7)

• Berry-Phase induced Heat Pumping and its Impact on the Fluctuation Theorem
• Ratcheting Heat Flux against a Thermal Bias
• Two simple models of classical heat pumps
• Thermal conductance in a spin-boson model: Cotunneling and low temperature properties
• Geometric Heat Flux for Classical Thermal Transport in Interacting Open Systems
• Spin-boson dynamics beyond conventional perturbation theories
• Thermodynamics of enhanced heat transfer: a model study

Cited by in corpus (13)

• Functional Integral approach to time-dependent heat exchange in open quantum systems: general method and applications
• Energy dynamics, heat production and heat-work conversion with qubits: towards the development of quantum machines
• Heat transfer in the spin-boson model: A comparative study in the incoherent tunneling regime
• Geometric thermodynamic uncertainty relation in periodically driven thermoelectric heat engine
• Geometric Heat Pump: Controlling Thermal Transport with Time-dependent Modulations
• Strong system-bath coupling induces negative differential thermal conductance and heat amplification in nonequilibrium two-qubits systems
• Quantum Stirling heat engine with squeezed thermal reservoir
• Relaxation dynamics in double-spin systems
• Thermodynamic Geometry of Nonequilibrium Fluctuations in Cyclically Driven Transport
• Observation of Geometric Heat Pump Effect in Periodic Driven Thermal Diffusion
• Unifying quantum heat transfer in a nonequilibrium spin-boson model with full counting statistics
• Heat transfer mediated by the Berry-phase in non-reciprocal many-body systems
• Nonequilibrium thermal transport and photon squeezing in a quadratic qubit-resonator system